Kr-Net&reg; StayHear+ Earbuds Tips for QuietComfort 20 Noise Canceling Headphone High Quality KR-Net Replacement Earbuds Tips, Perfect fit Bose QC20, QC20i Headset Extra Layers for noise cancelling reduces surrounding distractions, letting music stand out Soft, and secure for hours of listening 3 Mixed Size Pair: Large Medium and Small White Color Ear tips